Cottonmouths are highly venomous, semi-aquatic snakes found primarily in the southeastern United States. If you’ve ever spent time in the swamps or rivers of the southeastern United States, then chances are good that you’ve seen a cottonmouth snake. They’re known as dangerous pests that can sometimes infest waterways and even fall into canoes passing under trees, with bites that pack a deadly punch. Just how large can they get? Let’s find out.
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